20583068

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^2$

素因数の和:135

約数の個数: 54

約数和(自身を含む): 42297192

約数和(自身を除く): 21714124

約数列:

[1, 2, 4, 11, 22, 23, 43, 44, 46, 86, 92, 121, 172, 242, 253, 473, 484, 506, 946, 989, 1012, 1849, 1892, 1978, 2783, 3698, 3956, 5203, 5566, 7396, 10406, 10879, 11132, 20339, 20812, 21758, 40678, 42527, 43516, 81356, 85054, 119669, 170108, 223729, 239338, 447458, 467797, 478676, 894916, 935594, 1871188, 5145767, 10291534, 20583068]

約数ペア:

[(1, 20583068), (2, 10291534), (4, 5145767), (11, 1871188), (22, 935594), (23, 894916), (43, 478676), (44, 467797), (46, 447458), (86, 239338), (92, 223729), (121, 170108), (172, 119669), (242, 85054), (253, 81356), (473, 43516), (484, 42527), (506, 40678), (946, 21758), (989, 20812), (1012, 20339), (1849, 11132), (1892, 10879), (1978, 10406), (2783, 7396), (3698, 5566), (3956, 5203)]